Home / 130,397,661.60-195,596,492.40-39,509,440.80

Finding the Fourth Proportional to 130,397,661.60, 195,596,492.40 and 39,509,440.80

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Solution

The fourth proportional to 130,397,661.60, 195,596,492.40 and 39,509,440.80 is: 59,264,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,397,661.60 : 195,596,492.40 = 39,509,440.80 : x
  2. Step 2: Convert to fraction form
    130,397,661.60/195,596,492.40 = 39,509,440.80/x
  3. Step 3: Cross multiply
    130,397,661.60x = 195,596,492.40 × 39,509,440.80
  4. Step 4: Simplify right side
    130,397,661.60x = 7,727,908,037,165,450
  5. Step 5: Solve for x
    x = 7,727,908,037,165,450/130,397,661.60
  6. Step 6: Final answer
    x = 59,264,161.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.